The Waterloo Black Hawks open the regular season Saturday night on the road against the Green Bay Gamblers. Thursday, the team held it’s annual media day and Coach P.K O’Hanley says there are some differences between this years and last years teams.He says last year they had talent, but didn’t mesh well as a team.O’Hanley says that the hardest thing to do at this time in the season is to remember to exercise patience. The Black Hawks game with Green Bay is set for 7:05 Saturday night, The first home game for the Black Hawks is Friday night October 1st at the Young Arena in Waterloo.